<?php
/**
 * PHPExcel
 *
 * Copyright (c) 2006 - 2011 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category   PHPExcel
 * @package    PHPExcel_Writer_Excel2007
 * @copyright  Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt    LGPL
 * @version    1.7.6, 2011-02-27
 */


/**
 * PHPExcel_Writer_Excel2007_DocProps
 *
 * @category   PHPExcel
 * @package    PHPExcel_Writer_Excel2007
 * @copyright  Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
class PHPExcel_Writer_Excel2007_DocProps extends PHPExcel_Writer_Excel2007_WriterPart
{
/**
     * Write docProps/app.xml to XML format
     *
     * @param     PHPExcel    $pPHPExcel
     * @return     string         XML Output
     * @throws     Exception
     */
    public function writeDocPropsApp(PHPExcel $pPHPExcel = null)
    {
        // Create XML writer
        $objWriter = null;
        if ($this->getParentWriter()->getUseDiskCaching()) {
            $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
        } else {
            $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_MEMORY);
        }

        // XML header
        $objWriter->startDocument('1.0','UTF-8','yes');

        // Properties
        $objWriter->startElement('Properties');
            $objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/officeDocument/2006/extended-properties');
            $objWriter->writeAttribute('xmlns:vt', 'http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes');

            // Application
            $objWriter->writeElement('Application',     'Microsoft Excel');

            // DocSecurity
            $objWriter->writeElement('DocSecurity',     '0');

            // ScaleCrop
            $objWriter->writeElement('ScaleCrop',         'false');

            // HeadingPairs
            $objWriter->startElement('HeadingPairs');

                // Vector
                $objWriter->startElement('vt:vector');
                    $objWriter->writeAttribute('size',         '2');
                    $objWriter->writeAttribute('baseType',     'variant');

                    // Variant
                    $objWriter->startElement('vt:variant');
                        $objWriter->writeElement('vt:lpstr',     'Worksheets');
                    $objWriter->endElement();

                    // Variant
                    $objWriter->startElement('vt:variant');
                        $objWriter->writeElement('vt:i4',         $pPHPExcel->getSheetCount());
                    $objWriter->endElement();

                $objWriter->endElement();

            $objWriter->endElement();

            // TitlesOfParts
            $objWriter->startElement('TitlesOfParts');

                // Vector
                $objWriter->startElement('vt:vector');
                    $objWriter->writeAttribute('size',         $pPHPExcel->getSheetCount());
                    $objWriter->writeAttribute('baseType',    'lpstr');

                    $sheetCount = $pPHPExcel->getSheetCount();
                    for ($i = 0; $i < $sheetCount; ++$i) {
                        $objWriter->writeElement('vt:lpstr', $pPHPExcel->getSheet($i)->getTitle());
                    }

                $objWriter->endElement();

            $objWriter->endElement();

            // Company
            $objWriter->writeElement('Company',             $pPHPExcel->getProperties()->getCompany());

            // Company
            $objWriter->writeElement('Manager',             $pPHPExcel->getProperties()->getManager());

            // LinksUpToDate
            $objWriter->writeElement('LinksUpToDate',         'false');

            // SharedDoc
            $objWriter->writeElement('SharedDoc',             'false');

            // HyperlinksChanged
            $objWriter->writeElement('HyperlinksChanged',     'false');

            // AppVersion
            $objWriter->writeElement('AppVersion',             '12.0000');

        $objWriter->endElement();

        // Return
        return $objWriter->getData();
    }

    /**
     * Write docProps/core.xml to XML format
     *
     * @param     PHPExcel    $pPHPExcel
     * @return     string         XML Output
     * @throws     Exception
     */
    public function writeDocPropsCore(PHPExcel $pPHPExcel = null)
    {
        // Create XML writer
        $objWriter = null;
        if ($this->getParentWriter()->getUseDiskCaching()) {
            $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
        } else {
            $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_MEMORY);
        }

        // XML header
        $objWriter->startDocument('1.0','UTF-8','yes');

        // cp:coreProperties
        $objWriter->startElement('cp:coreProperties');
            $objWriter->writeAttribute('xmlns:cp', 'http://schemas.openxmlformats.org/package/2006/metadata/core-properties');
            $objWriter->writeAttribute('xmlns:dc', 'http://purl.org/dc/elements/1.1/');
            $objWriter->writeAttribute('xmlns:dcterms', 'http://purl.org/dc/terms/');
            $objWriter->writeAttribute('xmlns:dcmitype', 'http://purl.org/dc/dcmitype/');
            $objWriter->writeAttribute('xmlns:xsi', 'http://www.w3.org/2001/XMLSchema-instance');

            // dc:creator
            $objWriter->writeElement('dc:creator',            $pPHPExcel->getProperties()->getCreator());

            // cp:lastModifiedBy
            $objWriter->writeElement('cp:lastModifiedBy',     $pPHPExcel->getProperties()->getLastModifiedBy());

            // dcterms:created
            $objWriter->startElement('dcterms:created');
                $objWriter->writeAttribute('xsi:type', 'dcterms:W3CDTF');
                $objWriter->writeRawData(date(DATE_W3C,     $pPHPExcel->getProperties()->getCreated()));
            $objWriter->endElement();

            // dcterms:modified
            $objWriter->startElement('dcterms:modified');
                $objWriter->writeAttribute('xsi:type', 'dcterms:W3CDTF');
                $objWriter->writeRawData(date(DATE_W3C,     $pPHPExcel->getProperties()->getModified()));
            $objWriter->endElement();

            // dc:title
            $objWriter->writeElement('dc:title',             $pPHPExcel->getProperties()->getTitle());

            // dc:description
            $objWriter->writeElement('dc:description',         $pPHPExcel->getProperties()->getDescription());

            // dc:subject
            $objWriter->writeElement('dc:subject',             $pPHPExcel->getProperties()->getSubject());

            // cp:keywords
            $objWriter->writeElement('cp:keywords',         $pPHPExcel->getProperties()->getKeywords());

            // cp:category
            $objWriter->writeElement('cp:category',         $pPHPExcel->getProperties()->getCategory());

        $objWriter->endElement();

        // Return
        return $objWriter->getData();
    }

    /**
     * Write docProps/custom.xml to XML format
     *
     * @param     PHPExcel    $pPHPExcel
     * @return     string         XML Output
     * @throws     Exception
     */
    public function writeDocPropsCustom(PHPExcel $pPHPExcel = null)
    {
        $customPropertyList = $pPHPExcel->getProperties()->getCustomProperties();
        if (count($customPropertyList) == 0) {
            return;
        }

        // Create XML writer
        $objWriter = null;
        if ($this->getParentWriter()->getUseDiskCaching()) {
            $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_DISK, $this->getParentWriter()->getDiskCachingDirectory());
        } else {
            $objWriter = new PHPExcel_Shared_XMLWriter(PHPExcel_Shared_XMLWriter::STORAGE_MEMORY);
        }

        // XML header
        $objWriter->startDocument('1.0','UTF-8','yes');

        // cp:coreProperties
        $objWriter->startElement('Properties');
            $objWriter->writeAttribute('xmlns', 'http://schemas.openxmlformats.org/officeDocument/2006/custom-properties');
            $objWriter->writeAttribute('xmlns:vt', 'http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes');


            foreach($customPropertyList as $key => $customProperty) {
                $propertyValue = $pPHPExcel->getProperties()->getCustomPropertyValue($customProperty);
                $propertyType = $pPHPExcel->getProperties()->getCustomPropertyType($customProperty);

                $objWriter->startElement('property');
                    $objWriter->writeAttribute('fmtid',     '{D5CDD505-2E9C-101B-9397-08002B2CF9AE}');
                    $objWriter->writeAttribute('pid',         $key+2);
                    $objWriter->writeAttribute('name',         $customProperty);

                    switch($propertyType) {
                        case 'i' :
                            $objWriter->writeElement('vt:i4',         $propertyValue);
                            break;
                        case 'f' :
                            $objWriter->writeElement('vt:r8',         $propertyValue);
                            break;
                        case 'b' :
                            $objWriter->writeElement('vt:bool',     ($propertyValue) ? 'true' : 'false');
                            break;
                        case 'd' :
                            $objWriter->startElement('vt:filetime');
                                $objWriter->writeRawData(date(DATE_W3C, $propertyValue));
                            $objWriter->endElement();
                            break;
                        default :
                            $objWriter->writeElement('vt:lpwstr',     $propertyValue);
                            break;
                    }

                $objWriter->endElement();
            }


        $objWriter->endElement();

        // Return
        return $objWriter->getData();
    }

}
